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TEAS7 > Science Practice Qs - Based on ATI TEAS Prep App > Flashcards

Science Practice Qs - Based on ATI TEAS Prep App Flashcards

1
Q

A&P

Which of the following is a function of the lymph nodes?

A: Pump oxygen to parts of the body
B: Defend the body against pathogens
C: Produce clotting factors to heal wounds
D: Signal the heart to contract

A

B: Defend the body against pathogens

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2
Q

A&P

Which of the following organs absorbs water and salt from digested food?

A: Mouth
B: Stomach
C: Liver
D: Large Intestine

A

D: Large Intestine

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3
Q

A&P

Which of the following structures produced chyme?

A: Stomach
B: Liver
C: Pancreas
D: Small Intestine

A

A: Stomach

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4
Q

A&P

Which of the following is the purpose of mechanical digestion in the mouth?

A: To release enzymes found in food
B: To stimulate the pancreas to release enzymes
C: To stimulate the muscles in the esophagus
D: To increase surface area of food

A

D: To increase surface area of food

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5
Q

A&P

Which of the following structures lightens the bones of the face?

A: Mucus membranes
B: Sinuses
C: Hard palate
D: Hyoid bone

A

B: Sinuses

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6
Q

A&P

Which of the following helps absorb small molecules in the small intestine?

A: Pepsin
B: Mucus
C: Microvilli
D: Vitamins

A

C: Microvilli

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7
Q

Which of the following molecules is used to send signals throughout the body?

A: Enzymes
B: Hormones
C: Melanin
D: Neurons

A

B: Hormones

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8
Q

A&P

Which of the following terms indicates the attachment of muscle to bone which moves?

A: Origin
B: Insertion
C: Ligament
D: Neuromuscular Junctions

A

B: Insertion

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9
Q

A&P

Which of the following is the integral connecter between the nervous and endocrine system?

A: Pancreas
B: Thyroid
C: Pituitary
D: Hypothalamus

A

D: Hypothalamus

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10
Q

Which of the following hormones produced by the stomach stimulates the secretion of gastric juice?

A: Gastrin
B: Pepsinogen
C: Salivary amylase
D: Chlocytokinin

A

A: Gastrin

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11
Q

A&P

At the end of a spring, a runner breathes hard because the medulla oblongata senses which of the following?

A: Low oxygen levels in blood
B: Low carbon dioxide levels in blood
C: Blood becoming more alkaline
D: Blood becomine more acidic

A

D: Blood becomine more acidic

If the body is forcing you to breathe faster/harder (in an attempt to reduce CO2), this means originally there was a build up of CO2 in the body. Increase in CO2 = Increase in H+ = decrease in pH = blood originally acidic

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12
Q

A&P

Which of the following is a hormone that induces bile and pancreatic juice secretions?

A: Pepsinogen
B: Pyloric Spincter
C: Chloecystokinin
D: Gastrin

A

C: Chloecystokinin

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13
Q

A&P

Which of the following happens to skin when underlying blood vessels constrict?

A: Goosebumbs appear on skin
B: The skin becomes flushes and red
C: Sweat glands release more sweat
D: Oil glands stop producing oil

A

A: Goosebumbs appear on skin

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14
Q

A&P

Which of the following hormones do the testes produce giving secondary sexual characteristics?

A: Progesterone
B: Estrogen
C: Testosterone
D: Cortisol

A

C: Testosterone

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15
Q

A&P

Which of the following structures houses an osteocyte?

A: Osteon
B: Lacunae
C: Canaliculi
D: Haversian Canal

A

B: Lacunae

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16
Q

A&P

Which of the following is a blood vessel that carries nutrients directly from small intestine to liver?

A: Cholecystokinin
B: Rectum
C: Pyloric Sphincter
D: Hepatic Portal Vein

A

D: Hepatic Portal Vein

Hepatic Portal Vein moves blood from speeln and gastrointestinal tract to the liver

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17
Q

A&P

Which of the following describes the function of glucagon?

A: Stimulates fullness
B: Stimulates the uptake of glucose by cells
C: Stimulates the breadown of glycogen
D: Digests proteins

A

C: Stimulates the breadown of glycogen

For A, Leptin stimulates fullness.

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18
Q

A&P

Which of the following best describes the type of process that occurs when a signal travels across a nerve synapse?

A: Electrical
B: Kinetic
C: Radiant
D: Chemical

A

D: Chemical

Neutransmitters are chemicals that cross the synpase to transmit the signal from one neuron to the next

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19
Q

A&P

Which of the following are the cause of acne?

A: A clogged sebacous gland
B: A secretion from an apocrine gland
C: A fluid-filled vesicle between the epidermis and dermis
D: A contraction of a hair follicle

A

A: A clogged sebacous gland

Incorrect rationals
B: secretion from apocrine gland = sweat
C: fluid filled vesicle between epidermis and dermis = blister
D: contraction of hair follicle = goose/chill bump

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20
Q

A&P

Which of the following is produced by the kidney to regulate blood pressure?

A: Renin
B: Blood
C: Urea
D: Water

A

A: Renin

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21
Q

A&P

Which of the following responses results from a surge of lutenizing hormone?

A: Fertilization
B: Shedding of endometrium
C: Ovulation
D: Maturation of the ovarian follicle

A

C: Ovulation

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22
Q

A&P

Which of the following hormones can enter a cell, enabling them to regulate DNA activity?

A: Amino-acid hormone
B: Carbohydrate-based hromones
C: Lipid-soluble, steoid hormone
D: Protein hormones

A

C: Lipid-soluble, steoid hormone

Incorrect rationales:
A: Many hormones are amino based, but these hormones cannot diffuse through the phospholipid bilayer of the cell
B: hormones are not carb based
C (correct): these hromones can pass thorugh the cell membrane of the target cell and activate specific genes
D: protein hromones are amino based hormones

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23
Q

A&P

Which of the following is an extension of the hypothalamus?

A: Posteroir pituitary
B: Pineal gland
C: Anterior pituitary
D: Thymus

A

A: Posteroir pituitary

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24
Q

A&P

Which of the following stimualtes the hypothalamus to secrete thyrotropin-release hormone to the pituitary?

A: The level of the parathyroid hormone has risen
B: The level of the parathyroid hormone has dropped
C: The level of the thyroid hormone has risen
D: The level of the thyroid hormone has dropped

A

D: The level of the thyroid hormone has dropped

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25
Q

A&P

Which of the following will the hypothalamus release if too much of a hormone is being produced?

A: An inhibiting hormone
B: A neurotransmitter
C: A tropic hormone
D: A releasing hormone

A

A: An inhibiting hormone

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26
Q

A&P

Which of the following is the location of a neurosecretory cells which produce oxytocin necessary for continued labor contractions during delivery?

A: Ovaries
B: Hypothalamus
C: Pineal gland
D: Uterus

A

B: Hypothalamus

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27
Q

A&P

Which of the following systems works with the immune system to prevent pathogens from being ingested?

A: Gastrointestinal system
B: Reproductive system
C: Skeletal system
D: Respiratory system

A

A: Gastrointestinal system

The gastrointestinal system, specifically the stomach, has a high pH that kills many pathogens that are ingested

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28
Q

A&P

Which of the following is not a gland of the endocrine system?

A: Pineal
B: Hypothalamus
C: Lung
D: Ovary

A

C: Lung

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29
Q

A&P

Which of the following statements is true about fluid in the nephrons?

A: There is no water
B: There are no amino acids
C: There are no sugars
D: There are no proteins

A

D: There are no proteins

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30
Q

A&P

Which of the following blood components helps regulate plasma levels to prevent tissue swelling?

A: Albumin
B: Red blood cells
C: Platelets
D: White blood cells

A

A: Albumin

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31
Q

A&P

Which of the following are adaptive immune system components?

A: Leukocytes
B: Thrombocytes
C: Lymphocytes
D: Lysozymes

A

C: Lymphocytes

32
Q

Which of the following cells is involved in resorption of bone?

A: Osteoclasts
B: Osteoblasts
C: Canaliculi
D: Osteon

A

A: Osteoclasts

33
Q

A&P

Which of the following best describes osteoclasts?

A: Cells that deposit minerals and fibers to build bones
B: Cells that dissolve bone to increase blood calcium levels
C: Cells that are star-shaped and form rings around the channels of long bones
D: Channels in bones through which blood vessels run

A

B: Cells that dissolve bone to increase blood calcium levels

34
Q

A&P

Which of the following best describes osteoporosis?

A: Decrease in bone density due to increased osteoclast activity and decreased osteoblasts activity
B: Decrease in bone density due to decreased osteoclast activity and increased osteoblasts activity
C: Increase in bone density due to increased osteoclast activity and decreased osteoblasts activity
D: Increase in bone density due to decreased osteoclast activity and increased osteoblasts activity

A

A: Decrease in bone density due to increased osteoclast activity and decreased osteoblasts activity

35
Q

A&P

Which of the following results from the breakdown of protein during digestion?

A: Bilirubin
B: Ketones
C: Plasma
D: Urea

A

D: Urea

36
Q

A&P

Which of the following classes of immunoglobulins can cross the placenta?

A: IgG
B: IgM
C: IgA
D: IgD

A

A: IgG

37
Q

A&P

Which of the following is an immune response to a Type I allergic reaction?

A: Tuberculosis
B: Rheumatoid arthritis
C: Hemolytic Anemia
D: Anaphylaxis

A

D: Anaphylaxis

38
Q

A&P

Which of the following type of joints allows the greatest range of motion?

A: Saddle
B: Hinge
C: Ball-and-socket
D: Pivot

A

C: Ball-and-socket

39
Q

A&P

Which of the following movements is characterized as moving a body part away from anoher part?

A: Flexion
B: Extension
C: Abduction
D: Adduction

A

C: Abduction

40
Q

A&P

Which of the following is throught to be the gatekeeper of pain of the spinal cord?

A: The sacrum
B: The dorsal horn
C: The coccyx
D: The ventral root

A

B: The dorsal horn

41
Q

A&P

While running on the treadmill, which of the following sympathetic response will occur?

A: Increased digestive activity
B: Increased blood pressure
C: Saliva production
D: Pupil constriction

A

B: Increased blood pressure

42
Q

A&P

You have just started an exercise program and did 25 pushups and 50 squats two days ago. Today your arms and legs are very sore, so doing normal activities is painful.

Which of the following explains the reason for the discomfort you are feeling?

A: Soreness
B: Tears
C: Synovitis
D: Sprains

A

A: Soreness

43
Q

A&P

Which of the following physiological responses occurs after eating a large meal?

A: Enteric nervous system decreases
B: Peristalsis rate increases
C: Enzyme production decreases
D: Sympathetic activity increases

A

B: Peristalsis rate increases

44
Q

A&P

Maria has developed a cramp in her lower calf while stretching after a run.

Which of the following actions will help her relieve the cramp in the muscle?

A: Relaxing
B: Contracting
C: Straining
D: Spraining

A

A: Relaxing

45
Q

A&P

Which of the following structures of the respiratory system warms inhaled air?

A: Oral cavity
B: Trachea
C: Nasal cavity
D: Esophagus

A

C: Nasal cavity

46
Q

A&P

Which of the following produces insulin?

A: Gall bladder
B: Pancreas
C: Small Intestine
D: Liver

A

B: Pancreas

47
Q

A&P

Which of the following anatomical plane divides an organisms body into superior and inferior sections?

A: Sagittal plane
B: Frontal plane
C: Coronal plane
D: Transverse plane

A

D: Transverse plane

48
Q

A&P

Which of the following can be concluded about the gas exchange that takes place by the respiratory system?

A: Oxygen is transported from alveoli to pumonary veins
B: Carbon dioxide is transported from the aorta to body tissues
C: Oxygen is transported from body tissues to heart
D: Carbon dioxide is transported from pulmonary artery to the body tissues

A

A: Oxygen is transported from alveoli to pumonary veins

49
Q

A&P

A client with chronic bronchitis could build up mucus in the airways which could lead to high blood pressure in the blood vessels. Which mechanism between the respiratory system and circulatory system is hindered?

A: The delivery of adequate nutrients in the blood
B: The removal of waste molecules out the blood
C: The transportation of enough oxygen in the blood
D: The secretion of important hormones into the blood

A

C: The transportation of enough oxygen in the blood

50
Q

A&P

Which of the following statements shows the difference between the central and peripheral nervous system?

A: The peripheral nervous system comprises the spinal cord and brain, while the central nervous system combines these two organs to the rest of the body
B: The central nervous system includes the spinal cord and brain, whereas the peripheral nervous system links these organs to the rest of the body
C: The central nervous system includes the spinal cord and brain, the peripheral nervous system includes the nerves that branch off from those structures
D: The brain and spinal cord are encompassed in the peripheral nervous system, whereas the central nervous system harbors all the other nerves

A

B: The central nervous system includes the spinal cord and brain, whereas the peripheral nervous system links these organs to the rest of the body

51
Q

A&P

Which of the following statements describes the structure of two atria present in the heart?

A: They are thin-walled and lie in the upper part of the heart
B: They are thin-walled and located in the lower part of the heart
C: They are thick-walled and located in the upper portion of the heart
D: They are thick-walled and located in the lower part of the heart

A

A: They are thin-walled and lie in the upper part of the heart

52
Q

A&P

Which of the following is a thin layer of connective tissue that surrounds the muscle fiber?

A: Endomysium
B: Epimysium
C: Fascia
D: Perimysium

A

A: Endomysium

53
Q

A&P

Which of the following describes the change in hormonal levels during the menstrual cycle?

A: During ovulation, the level of estrogen and lutenizing hormone decreases in blood
B: After ovulation, the level of progesterone and lutenizing hormone increase in the blood
C: After ovulation, the level of progesterone increases, while lutenizing hormone level decreases in the blood
D: During ovulation, estrogen level increases while lutenizing hormone level decrease in the blood.

A

C: After ovulation, the level of progesterone increases, while lutenizing hormone level decreases in the blood

54
Q

A&P

Which of the following represents the processing of the glomerulus filtrate in the proximal and distal convoluted tubule?

A: Water and salts are secrete to make urine
B: Water and salts are reabsorbed to make the urine
C: Water is reabsorbed, and salts are secreted to make the urine
D: Water is secreted, and salts are reabsorbed to make the urine

A

B: Water and salts are reabsorbed to make the urine

55
Q

A&P

Focal segmental glomerulosclerosis is a condition in which the glomerulus of the nephrons present in the kidney get scars or become damaged. Which of the following functions of the kidney structures is likely to be hindered in this condition?

A: Drainage of urine into the ureter
B: Reabsorption of water from the filtrate
C: Transportation of filtered blood from the kidney
D: Filtration of the blood to produce dilute plasma

A

D: Filtration of the blood to produce dilute plasma

56
Q

A&P

Which of the following statements is true?

A: The dermis layer is involved in the tanning process of the skin
B: The epidermis layer is involved in the tanning process of the skin
C: The hypodermis layer is involved in the tanning process of the skin
D: The subcutaneous layer is inolved in the tanning process of the skin

A

B: The epidermis layer is involved in the tanning process of the skin

57
Q

A&P

Which of the following exocrine glands of the integumetary system is inolved in producing sebum?

A: Ceruminous gland
B: Mammary gland
C: Sebaceous gland
D: Sudoriferous gland

A

C: Sebaceous gland

58
Q

A&P

Which of the following statement about the role of the pancrease is correct?

A: It releases insulin to stimulate the breadown of glucose into glycogen
B: It releases glucagon to stimulate the breadown of glucose into glycogen
C: It releases insulin to decrease the rate of glucose breakdown in the body
D: It releases glucagon to increase the rate of glucose breadown in the body

A

A: It releases insulin to stimulate the breadown of glucose into glycogen

59
Q

A&P

Which of the following hormone produced by the endocrine system is responsible for maintaining calcium homeostasis?

A: Anti-diuretic hormone
B: Aldosterone
C: Insulin
D: Parathyroid hormone

A

D: Parathyroid hormone

60
Q

A&P

Which of the following processes represents the positive feedback mechanism?

A: Osmoregulation
B: Blood clotting
C: Thermoregulation
D: Regulation of blood calcium levels

A

B: Blood clotting

61
Q

A&P

Which of the following statements about the association between the nervous system and the endocrine system is correct?

A: The motor neuron pass signals to the hypothalamus for controlling the pituitary gland
B: The motor neuron pass signals to the pituitary gland for controlling the hypothalamus
C: The sensory neuron pass signals to the pituitary gland for controlling the hypothalamus
D: The sensory neurons pass signals to the hypothalamus for controll the pituitary gland

A

D: The sensory neurons pass signals to the hypothalamus for controll the pituitary gland

62
Q

A&P

Which of the following innate immune cells contains a multilobed nucleus?

A: Basophil
B: Eosinophil
C: Neutrophil
D: Monocyte

A

C: Neutrophil

63
Q

A&P

Which of the following options is true about T-cell receptor structure?

A: It is generally made up of one polypeptide chain
B: It is generally made up of two polypeptide chains
C: It is generally made up of three polypeptide chains
D: It is generally made up of four polypeptide chains

A

B: It is generally made up of two polypeptide chains

T cell receptor structures are composes of two polypeptide chains: alpha and beta

64
Q

A&P

Which of the following options correctly describe the T-helper cells of the immune system?

A: These cells directly target the foreign pathogens
B: These cells are part of the innate immune response in the body
C: These cells are activated by B-cells to generate an immune response
D: These cells stimulate other immune cells to perform the phagocytosis process

A

D: These cells stimulate other immune cells to perform the phagocytosis process

65
Q

A&P

**Which of the following options describes the type of barrier saliva exhibits during the first line of defenses? **

A: Biological barrier
B: Chemical barrier
C: Mechanical barrier
D: Physical barrier

A

B: Chemical barrier

saliva contains enyzymes (lysozyme) to kill pathogens

66
Q

A&P

Which of the following structure of the male reproductive system lie outside the body ?(Select all that apply)

A: Penis
B: Prostate gland
C: Scrotum
D: Testes
E: Vas deferens

A

A: Penis
C: Scrotum
D: Testes

67
Q

A&P

Osteoporosis is a disease characterized by the weakening of the bones. Which of the following functions of the body will get hindered due to this abnormal condition?

A: Breakdown of nutrients
B: Production of gametes
C: Production of blood cells
D: Protection of body from pathogens

A

C: Production of blood cells

68
Q

A&P

Which of the follwoing statements about the relationship between skeletal and muscualr system is correct?

A: Two muscles work together to pull bone
B: Two muscles work together to push the bones
C: A single muscle is responsible for pushing the bones
D: A single muscle is responsible for pulling the bone

A

A: Two muscles work together to pull bone

69
Q

A&P

A pulmonary embolism is a blockage in either the pulmonary arteries present in the lungs. Which of the following options indicates the factors that are involved in the blockage of these arteries? (Select all that apply)

A: Air bubbles
B: Anticoagulants
C: Blood clots
D: Fats
E: Tumor fragments

A

A: Air bubbles
C: Blood clots
D: Fats
E: Tumor fragments

70
Q

A&P

Which of the following immune cells are categorized under monocytes?

A: Basophils
B: Dendritic cells
C: Eosinophils
D: Macrophages
E: Neutrophils

A

B: Dendritic cells
D: Macrophages

71
Q

Life Science

Which of the following pairs correctly matches a cellular organelle with its function?

A: Golgi apparatus - protein synthesis
B: Smooth endoplasmic reticulum - energy production
C: Cytoskeleton - movement
D: Cell membrane - storage

A

C: Cytoskeleton - movement

72
Q

Life Science

Which of the following is the most probably cause of walking pnuemonia?

A: Mycobacterium
B: Gene mutation
C: Fungus
D: Mycoplasma infection

A

D: Mycoplasma infection

73
Q

A&P

Which of the following is the cause of mycosis?

A: Coronavirus
B: Mycobacterium
C: Gene mutation
D: Fungus

A

D: Fungus

74
Q

Life Science

A student viewed an onion slide under the microscope and observed a rigid layer present outside the cells. Which of the following option correctly identifies this structure?

A: Cell membrane
B: Cell wall
C: Cytoplasm
D: Nucleus

A

B: Cell wall

75
Q

A&P

What ion binds to troponin, initating the contraction of muscle?

A: Phosphrus
B: Sodium
C: Potassium
D: Calcium

A

D: Calcium

76
Q

A&P

What part of the integumentary system secretes phermones?

A: Dermal papilla
B: Dermis
C: Eccrine glands
D: Apocrine glands

A

D: Apocrine glands

TEAS7 (48 decks)

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