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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

Carbohydrates contain carbon, nitrogen and oxygen.

TRUE

cardiovascular

musculoskeletal

FALSE

2 / 20

____________ are structures within cells that perform cellular functions.

digestive

nervous

Organelles

nucleus.

3 / 20

Pacinian corpuscles in the subcutaneous layer are temperature-sensitive.

musculoskeletal

cardiovascular

TRUE

FALSE

4 / 20

Which of the following structures is the primary organ of the integumentary system?

skin

bones

sweat glands

sensory receptors

5 / 20

Sweat removes certain organic compounds from the body

diffusion

FALSE

TRUE

antibody

6 / 20

There are three classes of membrane in the human body

aldosterone.

FALSE

TRUE

norepinephrine

7 / 20

Which of the following is least likely to contribute to the beneficial effects of angiotensin-converting enzyme inhibitors in the treatment of heart failure?

Vasodilation

Decreased plasma aldosterone

Decreased cardiac growth

Increased plasma renin activity

8 / 20

When the radius of the resistance vessels is increased, which of the following is increased?

Hematocrit

Viscosity of the blood

Diastolic blood pressure

Capillary blood flow

9 / 20

Cellular respiration is defi ned as:

an extracellular, energy-requiring process

an intracellular, energy-producing process

an intracellular, energy-requiring process

an extracellular, energy-producing process

10 / 20

The hormones produced by the adrenal medulla have major effects on heart rate and blood pressure.

FALSE

Melanocytes

TRUE

Epidermis

11 / 20

The subcutaneous layer consists of areolar and adipose tissue

TRUE

neutral

FALSE

weakly acidic

12 / 20

As urine flow increases during osmotic diuresis

the osmolality of urine approaches that of plasma because an increasingly large fraction of the excreted urine is isotonic proximal tubular fluid.

the osmolality of urine falls below that of plasma.

the osmolality of urine increases because of the increased amounts of nonreabsorbable solute in the urine

the osmolality of urine approaches that of plasma because plasma leaks into the tubules.

13 / 20

Region involved in rapid cell division

Stratum corneum

Stratum basale

Melanocytes

Papillary layer of the dermis

14 / 20

The hypothalamus has a posterior and anterior lobe.

Melanocytes

Epidermis

TRUE

FALSE

15 / 20

Muscle is a type of connective tissue.

FALSE

Melanocytes

TRUE

Epidermis

16 / 20

Which of the following is responsible for the movement of O2 from the alveoli into the blood in the pulmonary capillaries?

Active transport

Passive diffusion

Filtration

Secondary active transport

17 / 20

A 45-year-old woman had a blood pressure of 155/95 mm Hg when she was at her clinician's office for a physical. It was her first time to see this clinician and her first physical in over 10?years. The clinician suggested that she begin monitoring her blood pressure at home. Sympathetic nerve activity would be expected to increase

when one transitions from an erect to a supine posture.

f glutamate receptors were activated in the NTS.

during stress

if GABA receptors were activated in the RVLM

18 / 20

_________ is the movement of water from an area of high water concentration to an area of lower water concentration across a selectively permeable membrane.

proteins

Osmosis

vitamins

carbohydrates

19 / 20

Systole refers to relaxation of the heart chambers.

FALSE

TRUE

carotene

melanin

20 / 20

Glucagon is produced in the pancreas by which cells?

beta cells

alpha cells

delta cells

F cells

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