Get Latest Updates About Pharmacy Notes, Books and Many More

Human Anatomy and Physiology Practice Test 4

Pankaj Saha
November 26, 2022

This Human Anatomy and Physiology Practice Test Contains 250 Questions but every time you will get 20 different Questions to answer

1 / 20

Surfactant lining the alveoli

is produced in alveolar type I cells and secreted into the alveolus

is increased in the lungs of heavy smokers.

is a glycolipid complex

helps prevent alveolar collapse

2 / 20

Melatonin is secreted by:

the pancreas

the pineal gland

the keratinocytes of the skin

the pineal gland

3 / 20

The sum of all the body's chemical processes is its ____________. This consists of two parts: the phase that builds up new substances is called ____________ and the phase that breaks substances down is called ____________.

carbohydrates,weakly acidic,proteins

fatty acids,simple sugars,strongly acidic

metabolism, anabolism,catabolism

None of the above

4 / 20

The cellular organelle responsible for digesting exhausted cell com ponents is the ____________.

lysosome.

nucleus.

digestive

nervous

5 / 20

The cytoskeleton is a lattice structure made of calcium that gives shape to cells.

TRUE

FALSE

aldosterone.

norepinephrine

6 / 20

The tidal volume is

the amount of air that normally moves into (or out of) the lung with each respiration

the amount of gas that can be moved into and out of the lungs in 1 min.

the amount of air expired after maximal expiratory effort

the amount of air that enters the lung but does not participate in gas exchange.

7 / 20

The waterproof coating found in epidermal cells is called:

myelin

melanin

keratin

albumin

8 / 20

The gustatory receptors are located in the

inhibitory

Proprioceptors

adrenaline

synapse

9 / 20

When a woman who has been on a low-sodium diet for 8 days is given an intravenous injection of captopril, a drug that inhibits angiotensin-converting enzyme, which of the following would be expected?

Plasma renin activity to fall because circulating angiotensin I level would rise

Blood pressure to rise because peripheral resistance would fall

Blood pressure to fall because cardiac output would fall

Blood pressure to fall because peripheral resistance would fall

10 / 20

The pressure differential between the heart and the aorta is least in the

left ventricle during systole

left ventricle during diastole.

right ventricle during systole.

right ventricle during diastole

11 / 20

The sinoatrial (SA) node is located in the left atrium.

FALSE

melanin

TRUE

carotene

12 / 20

The patella is a type of fl at bone.

Melanocytes

Epidermis

TRUE

FALSE

13 / 20

Which of the following structures is not an accessory component of the skin?

hair

subcutaneous tissue

nail

mammary glands

14 / 20

In most refl ex arcs, sensory neurones synapse in:

the spinal cord

the brain stem

the dura mater

the cerebrospinal fluid

15 / 20

The bundle of His is not involved in pumping blood since it has no contractile proteins

melanin

carotene

TRUE

FALSE

16 / 20

Cardiac muscle cells are best described as voluntary striated muscle tissue.

TRUE

melanin

FALSE

carotene

17 / 20

The eye contains photoreceptors for detecting light.

Melanocytes

TRUE

FALSE

Epidermis

18 / 20

Which of the following is the principal buffer in interstitial fluid?

Other proteins

H2 PO4

Hemoglobin

Carbonic acid

19 / 20

Homeostasis of hormonal secretions is maintained only by negative feedback mechanisms.

TRUE

Epidermis

Melanocytes

FALSE

20 / 20

Renin is secreted by

granular cells in the juxtaglomerular apparatus.

cells in the proximal tubules.

cells in the distal tubules

cells in the macula densa

Your score is

The average score is 0%

Pos.	Name	Score	Duration
There is no data yet