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Teas Practice > Practice tests > Flashcards

Practice tests Flashcards

1
Q

heart arrhythmia is indicated by levels of

A

potassium

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2
Q

the kidney releases what affects blood volume

A

renin

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3
Q

what is the function of the dermis

A

collagen production

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4
Q

Aldosterone is released by

A

The adrenal glands (above the kidney)

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5
Q

angiotensin ii is released by what and what does it do?

A

Liver

Angiotensin II causes increases in blood pressure, influences renal tubuli to retain sodium and water, and stimulates aldosterone release from adrenal gland.

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6
Q

angiotensinogen is released by

A

the liver

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7
Q

The medulla oblongata regulates

A

involuntary bodily functions

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8
Q

Which of these substances will best dissolve in water?
CH4
CCl4
HCl
N2

A

HCL is an ionic compound that dissociates into charged particles called ions. Because water molecules are polar, water is a good solvent for ions

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9
Q

What can diffuse across a hydrophobic cell membrane?
Steroids
interleukins
catecholamines
histamines

A

steroids are lipid soluble. therefore, they are able to diffuse across the hydrophobic cell membrane

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10
Q

Which of the following is improved when repeated trials of an experiment have consistent results?
reliability
validity
independent variables
dependent variables

A

reliability

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11
Q

The function of somatic reflex?

A

it helps to produce a response quickly to protect the body from harm

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12
Q

The function of the spleen?

A

filters blood and degrades aged red blood cells

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13
Q

Which of the following temperature scales is 0 equal to the freezing point of water?
Kelvin
Fahrenheit
Celsius
Newton

A

Celsius

The freezing point of water in Fahrenheit is 32

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14
Q

What is the formula for Celsius to Fahrenheit and Fahrenheit to Celsius?

A

C= (F-32) x 5/9
F= C x 9/5 + 32

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15
Q

Which of the following hormones requires iodine for its production?
thyroid hormones
melatonin
parathyroid hormone
calcitonin

A

thyroid hormones

The human body needs iodine, a naturally occurring element, to produce the thyroid hormones thyroxine and triiodothyronine

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16
Q

Which of the following terms describes the bonding together of smaller molecules to form larger molecules?

anabolism
catalysts
catabolism
anaphylaxis

A

anabolism describes the endothermic process by which bonds are formed between molecules to make larger molecules

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17
Q

Which of the following statements are true regarding the lymphatic system?

it is a closed circulatory system

The lymph flows from the interstitial spaces toward the heart

The lymph transports carbon dioxide to the lungs for expiration

The lymph system helps the body absorb liquids

The lymphatic system contains more red blood cells than white blood cells

A

The lymph flows from the interstitial spaces toward the heart

The lymph system helps the body absorb liquids

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18
Q

Gastrulation results in the formation of what embryonic structures?

A

germ layer

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19
Q

What molecule is present in blood and can buffer changes in pH?

A

Bicarbonate

it is the conjugate base of carbonic acid, which is made from water and carbon dioxide, both of which are present in abundance in blood. Therefore, bicarbonate is a buffer in conjunction with carbonic acid

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20
Q

What happens in the circulatory system during hyperventilation?

A

Carbon dioxide levels decrease, causing an increase in blood pH

As carbon dioxide levels decrease, the blood becomes more basic, increasing blood pH

21
Q

A normal adult bladder has the capacity to hold up to how many mL of urine before involuntary micturition is likely to occur?

A

600 mL

22
Q

Healing by primary intention vs secondary intention

A

Healing by first intention or Primary intention healing happens when the wound edges are approximated e.g. by sutures, staples or glue.

Healing by second intention or Secondary intention healing takes place when the wound edges cannot be approximated and the wound needs to heal from the bottom.

23
Q

What is the effect of aldosterone secretion on electrolyte levels?

A

sodium level increases

Aldosterone causes the kidney to retain sodium and return it to the blood

24
Q

internal vs external respiration

A

Internal respiration occurs in the body tissues, where cells release carbon dioxide and take in oxygen from the blood.

External respiration occurs in the lungs and occurs when the body takes in oxygen from the atmosphere and releases carbon dioxide.

25
Q

Was vs Were: which is a singular verb and which is plural?

Is vs Are: which is a singular verb and which is plural?

A

Was= singular
Were=plural

Is=singular
Are=plural

26
Q

Which of the following statements correctly describes a major metabolic pathway?

A.) Photosynthesis is a reductive, degradative pathway.
B.) Respiration is an oxidative, degradative pathway.
C.) Photosynthesis is an oxidative, synthetic pathway.
D.) Respiration is a reductive, synthetic pathway

A

B.) Respiration is an oxidative, degradative pathway.

27
Q

What molecule is a component of cell membranes and precursor molecule for the synthesis of the steroid hormones, cortisol, aldosterone, progesterone, and the sex hormone testosterone and estrogen.
A. lipoproteins
B. triglycerides
C. lipid
D. cholesterol

A

Cholesterol

28
Q

thorax, abdominal wall muscle, and the inner surface bones and associated bones of the pelvis
A. abdominal/pelvic
B. thoracic
C. ventral
D. dorsal

A

ventral

29
Q

Which of the following is most likely to lead to a suppression of the secretion of the hormones glucagon?
A. high protein content of chyme in the stomach
B. activation of the sympathetic nervous system
C. a meal with high simple carbohydrates content
D. the release of the hormone cholecystokinin (CCK)

A

meal with high simple carbohydrate content

30
Q

Which of the following is a correct cause and effect sequence of events during the digestive process?
A. CCK secretion- increased somatostatin secretion- increased pancreatic amylase secretion

B. CCK secretion-increased bile secretion- increased fat emulsification.

C. secretin secretions - increased gastric mucous secretion- increase pepsin secretion

D. secretin secretion - increased gastric HCL secretion - increased pepsin activation

A

CCK secretion-increased bile secretion- increased fat emulsification

31
Q

Which hormone has a direct effect on circulatory vessels causing contraction of smooth muscle cells located in the wall of arteries and veins.
A. angiotensin
B. renin
C. angiotensin II
D. transition metals

A

angiotensin II

32
Q

Which is the least abundant blood cell
A. lymphocytes
B. erythrocytes
C. leukocytes
D. thrombocytes

A

leukocytes (basophils)

33
Q

What is the name of the process where reactants bind to the active site and site configuration changes that orients the reactants for the chemical reaction to occur?
A. denaturation
B. active site orientation
C. induced fit
D. inhibition

A

Induce fit

34
Q

Among the following which choice identifies a joint whose, most general type is different from the other three
A. frontal sagittal joint
B. temporomandibular joint
C. sternomanubrial joint
D. sacroiliac joint

A

temporomandibular joint

35
Q

Which of the following best describes the structures found underneath each rib in descending order?

A) Vein, Nerve, Artery

B) Artery, Vein, Nerve

C) Vein, Artery, Nerve

D) Nerve, Vein, Artery

A

Vein, Artery, Nerve

36
Q

Which of the following is a protein that interferes with virus production?
A) Lysozyme
B) Prion
C) Interferon
D) Keratin

A

Interferon

37
Q

Which of the heart chambers is the most muscular?

A

left ventricle

38
Q

What is Arrhenius’s theory?
What is Bronsted-Lowry’s theory?
What is Lewis’s theory?

A

Arrhenius theory:
Acids release hydrogen ions in a solution (H)
Bases release hydroxide ions in a solution (OH)

Bronsted-Lowry theory:
acids are proton donors
bases are proton acceptors

Lewis theory:
lewis acids will accept a pair of electrons
lewis base will donate a pair of electrons

39
Q

Which of the following chemical bonds is found within a molecule of ammonia, NH3, given that N is a highly electronegative element and has a valence of 5?

A. Nonpolar covalent bonds
B. Polar covalent bonds
C. Ionic covalent bonds
D. Hydrogen bonds

A

polar covalent bond

40
Q

Which component of a phospholipid gives it non polar characteristics?

A. Glycerol molecule
B. Hydrogen bonds
C. Phosphate group
D. Carbon-hydrogen chains

A

Carbon-hydrogen chains

41
Q

Which of the following pathogens would be unaffected by treatment with an antibiotic that inhibits ribosome function?

A. Viruses
B. Bacteria
C. Protists
D. Fungi

A

Viruses

Viruses don’t contain ribosomes. That use host ribosomes for protein synthesis. That are also not alive and cannot be treated by antibiotics

42
Q

Which of these terms specifically means the intake and expulsion of air using the lungs?

A. Inspiration
B. Aeration
C. Ventilation
D. Oxygenation

A

Ventilation – means the same as “breathing”: the intake and expulsion of air using the lungs

43
Q

Which of the following conditions might help a species to escape extinction in the face of changing environmental conditions, such as habitat destruction?

A. Extreme specialization
B. Small populations
C. Narrow ecological niches
D. Generalized distribution

A

Generalized distribution

44
Q

Which of the following cells rid the body of dust and other particles that enter the lungs?

A. Alveoli
B. Macrophages
C. Sertoli cells
D. Erythrocytes

A

Macrophages

45
Q

Which of the following is a type of specialized antigen-processing cell that activates T-cells of the immune system?

A. Plasma cells
B. Thrombocytes
C. Dendritic cells
D. Eosinophils

A

Dendritic cells

46
Q

Which of the following statements accurately describes systemic circulation?

A. Supplies oxygen-poor blood from the right ventricle to the lungs
B. Receives oxygen-rich blood from the lungs to the right atrium
C. Supplies oxygen-rich blood from the left ventricle to the body
D. Receives oxygen-poor blood from the body to the left atrium

A

Supplies oxygen-rich blood from the left ventricle to the body

47
Q

In human blood types, A and B alleles are codominant and O is recessive. Which of the following combinations of the parents’ genotypes has the highest probability of producing a child with blood type O?

Both parents are heterozygous and have blood type AB.

One parent is heterozygous for blood type A and the other is heterozygous for blood type B.

One parent is homozygous for blood type A and the other is homozygous for blood type O.

One parent has blood type AB and the other is homozygous for blood type O.

A

B) One parent is heterozygous for blood type A and the other is heterozygous for blood type B.

A heterozygous genotype for type A blood will be AO and for type B blood will be BO. Therefore, there is a 25% chance for a child to have genotype OO.

48
Q

What is an almanac?

What is an atlas?

What is a thesaurus?

What is an encyclopedia?

What is an abstract?

A

Almanac: an annual calendar or handbook that contains dates and facts about general topics

atlas: a collection of maps

Thesaurus: book of words

Encyclopedia: collection of articles about a wide variety of subjects

Abstract: summarizes the content of a research paper and can include quotations, paraphrases, or ideas from other sources

Teas Practice (15 decks)

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