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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

A gland is a single cell or group of cells adapted for secretion.

Active transport

TRUE

Filtration

FALSE

2 / 20

Which of the following would not be expected to increase renin secretion

Administration of a drug that blocks AT1 receptors

Administration of a drug that blocks ?-adrenergic receptors

None

Administration of a drug that blocks angiotensin-converting enzyme

3 / 20

A _________ arc is the neural pathway that mediates nervous activity.

nostrils

proprioceptors

cerebellum

reflex

4 / 20

Which of the following organs has the greatest blood flow per 100 g of tissue?

Brain

Kidneys

Heart muscle

Skin

5 / 20

Neurones are connected by a ____________.

cerebellum

synapse

nostrils

proprioceptors

6 / 20

Active transport is a passive process.

TRUE

aldosterone.

FALSE

norepinephrine

7 / 20

Cellular respiration is defi ned as:

an extracellular, energy-producing process

an intracellular, energy-producing process

an intracellular, energy-requiring process

an extracellular, energy-requiring process

8 / 20

The thyroid gland:

produces antidiuretic hormone

helps initiate milk production

secretes small amounts of insulin

is located inferior to the larynx

9 / 20

Neuroglia are the supporting cells in the CNS.

carotene

TRUE

FALSE

melanin

10 / 20

Principal superfi cial region of skin

Reticular layer of the dermis

Papillary layer of the dermis

Stratum corneum

Epidermis

11 / 20

Proteins are made up of amino acids.

TRUE

Filtration

Active transport

FALSE

12 / 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 ____________.

metabolism, anabolism,catabolism

carbohydrates,weakly acidic,proteins

None of the above

fatty acids,simple sugars,strongly acidic

13 / 20

In comparing uncompensated respiratory acidosis and uncompensated metabolic acidosis which one of the following is true?

Plasma pH change is always greater in uncompensated respiratory acidosis compared to uncompensated metabolic acidosis

Uncompensated respiratory acidosis is associated with a change in Pco2 , whereas in uncompensated metabolic acidosis Pco2 is constant.

There are no compensation mechanisms for respiratory acidosis, whereas there is respiratory compensation for metabolic acidosis.

Uncompensated respiratory acidosis involves changes in plasma [HCO3 ?], whereas plasma [HCO3 ?] is unchanged in uncompensated metabolic acidosis.

14 / 20

Glucose reabsorption occurs in the

cortical collecting duct

distal tubule.

proximal tubule.

loop of Henle

15 / 20

Oxytocin is produced by the pineal gland.

Melanocytes

FALSE

TRUE

Epidermis

16 / 20

Which tissue region do nails originate from?

lunula

eponychium

cuticle

nail matrix

17 / 20

Lipids contain carbon, nitrogen and oxygen

cardiovascular

TRUE

FALSE

musculoskeletal

18 / 20

Variations in which of the following components of blood or CSF do not affect respiration?

Arterial HCO3 ? concentration

Arterial Na+ concentration

CSF CO2 concentration

Arterial H+ concentration

19 / 20

Muscle contraction occurs via the sliding fi lament mechanism.

TRUE

carotene

FALSE

melanin

20 / 20

A positively charged electrolyte is called:

an isotope

an anion

a cation

a positron

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