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TEAS (Math, Eng., Science) > Science > Flashcards

Science Flashcards

The a&p, chemistry, and data part

1
Q

Which of the following is used to describe the amount of air in a normal inhalation or exhalation?

A) perfusion
B) Tidal Vol.
C) Residual vol.

A

Tidal volume

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2
Q

**What action is the ANS engaged in?

A) Lifting weights
B) holding breath
C) walking
D) Digestion

A

Digestion

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3
Q

**Which blood vessels carry deoxygenated blood?

A) pulmonary vein
B) pulmonary artery

A

Pulmonary artery

This artery carries deoxygenated blood from the right ventricle.

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4
Q

During inhalation, where do you expect to find a higher concentration of oxygen?

A

the alveolar air space

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5
Q

Where does blood flow next after being oxygenated in the lungs?

A

pulmonary vein

Blood from lungs is oxygenated; The pulmonary circulation

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6
Q

What is the name of the structure that releases an enzyme that breaks down starch in the mouth?

A) liver
B) gallbladder
C) salivary gland

A

salivary gland

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7
Q

What type of tissue would you find in the heart?

A

Cardiac muscles

Contracts involentarily;

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8
Q

When does fertilization happen in the mensuration cycle?

A

After LH levels peak and begin to decline

The peak before ovulation (the release of mature egg)

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9
Q

Which male hormone is responsible for male secondary sex characteristics?

A

Testosterone

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10
Q

Which would result from the following decrease in body temperature?

A) blood vessels dilate
B) blood vessels near surface of body constrict
C) cheeks become more flushed

A

B) Blood vessels near the surface of the body would constrict

Maintains core temperature

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11
Q

Where are melanocytes found in the skin? (which layer?)

A

Epidermis

Aka. melanin; helps protect cells bellow this layer.

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12
Q

Which is an immediate result of the adrenal gland releasing epinephrine into the blood?

increase in heart rate or muscle growth?

A

Increase in heart rate

The fight-or-flight response; durring stress

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13
Q

what organ in the body releases insulin and glucagon?

A

pancreas

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14
Q

which substance contains urea, water, salts, and waste and is released through the urethra?

A

urine

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15
Q

which of the following is a nonspecific barrier of the immune system?

A) mucus
B) antibodies
C) B-cells

A

mucus

Can also be found in lungs; prevents pathogens from entering

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16
Q

what disease is caused by a virus that infects T cells?

A

Acquired immune deficiency syndrome (AIDS)

Aka. HIV; kills T cells; without T cells = disease easier to catch

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17
Q

Which function is an example of how the skeletal and neuromuscular system work together?

A

body movement

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18
Q

What is the order of anatomical** subregions in the anterior view of the upper limbs**?

(1 through 5)

A
  1. Brachium
  2. Antecubital
  3. carpal
  4. phalanges

1. upper limb; 2.front elbow; 3.wrist; 4. fingers

19
Q

Which is a carbohydrate?

Glycogen or amylase?

A

glycogen

20
Q

What best describes the relationship between a chromosome and a gene?

Each chromosome contains a single gene or each gene contains its own chromosome?

A

Trick question! Each chromosome contains a specific number of genes

DNA is a foundation of genes, therefore in chromosomes

21
Q

A purple flower and a white flower was crossed. The allele for purple is dominant; white is recessive.

Of 1000 of-spring were** 498 purple flowers and 502 white flowers. **

Based on these results, what can be concluded about the parent plants?

A

The purple flowered pea plant is heterozygous.

Purple is dominant, but NOT expressed in ALL 1000 purpleoffsprings

22
Q

Which cell structure contains cristae?

A

mitochondria

The internal folded membrane; site of cellular respiration

23
Q

What is the function of plasma membrane?

A

maintains cell internal environment

24
Q

What alleles are possible off-spring outcome for parents with type A blood?

A

IA and IA,
IA and i,
and i and i

Allele for type A: IA, IA & IA, and i; AA or AO

25
Q

What microscopes uses something other than light to form a specimen image?

A

electron

this beams electrons into a specimen

26
Q

What microscopic organism causes many skin disease and is also a decomposers?

A

fungi

causes skin disease like ring worm or athletes foot

27
Q

What subatomic particles make up an atom?

A

protons and neutrons have about the same mass and can be found in the nucleus

electrons have a smaller mass and not found in atom’s nucleus

28
Q

A solid substance takes more time to heat the higher the temperature is, what is happening to the substance?

A

as heat is added, the forces holding the particles together are breaking, changing the state.

causes melting, eventually boils down the substance as gas

29
Q

Which is an example of an ionic compound?
A) NaCl
B) H2O

A

NaCl

ionic: metal electron donated to the nonmetal atom (Na=metal)

30
Q

Given: 3 CaCl2 + 2 Na3PO4 -> Ca3(PO4)2 + 6 Nacl

What units are assumed to represent the coefficient quatinites in the chemical reaction?

A) moles
B) atoms
c) molecules

A

moles

(aka. 6.022x10^23)

The relationship between substance in the equation

31
Q

Given: ____ + 3 H2 -> 2 NH3

What will increase the rate of exothermic reaction above?

A) adding catalyst
B) increasing temperature

A

adding catalyst

Decreases production and increases reaction rate

32
Q

What is the purpose of control groups in an investigation?

A

to establish standard for data comparison

33
Q

For 0.1 mL of a liquid, what is the most appropriate measuring instrument?

A) 50mL beaker
B) a micropipette
C) graduated cylinder

A

micropipette

starting at 1 microliter

34
Q

what tool and unit would be used to find the volume of a brick?

A) Ruler and cm cubed
B) Ruler and meter cubed
C) Balance and grams

A

ruler and cm cubed

35
Q

What explains the maintenance of a nearly constant average temperature on the surface of the earth?

A) the amount of solar energy absorbed and radiant energy emitted by the earth exists in equilibrium

B) Photosynthesis in plants and other organisms consumes the majority of incoming solar radiation

C) The sun provides a continuous source of radiant energy entering the earth’s system at a constant rate

A

A) solar energy absorbed and radiant energy emitted

constant temperature requires balance between entry and exit of energy

36
Q

Microvilli line the ____ _____ and increase the surface area, making it easier to absorb more ____.

A

small intestines; nutrients

37
Q

Which hormone produced by the stomach stimulates the secretion of gastric juice?

A

Gastrin

(produced by G cells in the lining of the stomach and upper smaller intestines. During a meal, gastrin stimulates the stomach to break down proteins swallowed as food and absorbed by nutrients)

38
Q

Gastrin, produced by G cells in the lining of the stomach and upper smaller intestines. During a meal, gastrin stimulates the stomach to ____ ____proteins swallowed as food and absorbed by nutrients

A

break down

39
Q

Pepsinogen is an inactive _____ and is secreted into gastric juice from both mucous cells and chief cells. They are activated by ____ ____ into the active protease pepsin, for the digestion of proteins.

A

zymogen; stomach acid

40
Q

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

A

goosebumps appear on skin

(blood vessels move deeper to skin surface. A response by the small muscles on their hair follicle when blood vessels constricts)

41
Q

Which of the following activates hormones of the adrenals when a threat is perceived?

A) the parasympathetic nervous system
B) the voluntary nervous system
C) The sympathetic nervous system

A

C

(the Sympathetic nervous system is part of the autonomic nervous system. It stimulates adrenaline, which speeds up many systems in the body for fight-or-flight response).

42
Q

The number of electrons is equal to the number of ____.

A

Protons

43
Q

Which is closest to 0 on a number line?

A) -19/12
B) -1.583
C) .16

A

-1.583

44
Q

Bob has a bottle of medicine with the directions to take 1.5 tsp every 6 hours as needed. Knowing that there are 4.93 mL in 1 tsp, which of the following is one dose of the medicine to the nearest thousandth of a millimeter?

A

7.395 mL

TEAS (Math, Eng., Science) (6 decks)

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