Anatomy and Physiology 12- Past Provincial Exam Multiple Choice Questions

What structure produces vesicles?

Golgi body

What produces ribosomal RNA?

Nucleolus

During cell division, genetic material is contained in structures called

Chromosomes

The indicated charges allow these molecules to? (Imagine water molecules)

H+ O- H+ H+ O- H+ H+ O- H+

act as a solvent

This molecule is the result of the hydrolysis of?

H O

| |

NH2 - C - C - OH

|

CH3

Hemoglobin

A bacterial nucleic acid containing the human insulin gene is an example of

Recombinant DNA

The cell membrane is selectively permeable because

only certain particles can pass through it

In facilitated and active transport both

Require protein carrier molecules

Red blood cells were placed in an unknown solution. Micrographs were taken at the start of the experiment and after two minutes. The movement of which component of the solution caused the observed change? (the blood cells expanded)

Water

Where do we store bile?

gallbladder

Secretion from the stomach promotes the digestion of?

proteins

Which of the following statements about insulin is correct?

A. Insulin is produced by the liver.

B. Insulin causes a decrease in blood sugar.

C. Insulin decreases the hydrogen ion concentration in the blood.

D. Insulin is secreted when fats are present in the digestive system.

B. Insulin causes a decrease in blood sugar

In the heart, where is blood pressure the greatest?

The aorta (aortic arch)

A function of the larynx is to?

Produce sound (voice box)

Cilia are found lining which structure?

Trachea

Inhalation results from

contraction of the diaphragm

The majority of carbon dioxide in the blood travels as

bicarbonate ions

axon

A threadlike extension of a neuron that carries nerve impulses away from the cell body.

In which of the following is ATP required?

A. initiation of the nerve impulse

B. establishment of the resting potential

C. repolarization of the neural membrane

D. depolarization of the neural membrane

B. Establishment of the resting potential

The space between two neurons in a reflex arc is the?

Synaptic Cleft

Control of skeletal muscle is a function of the

Somatic Nervous System

When a stimulus reaches the threshold level in a dendrite of a sensory neuron

the sodium gates open

Balance and muscle coordination are controlled by the

cerebellum

The movement of urine from the kidney to the urinary bladder is a function of the?

Ureter

The greatest salt concentration in the kidney is found in the

renal medulla

Consuming alcohol inhibits the release of a hormone, resulting in the production of dilute urine. This occurs because the alcohol is affecting the

Posterior pituitary

High salt concentration in the blood is detected by the

Hypothalamus

Which of the following would cause increased water reabsorption by the kidneys?

A. increased blood volume

B. increased cardiac output

C. decreased blood pressure

D. decreased ADH secretion

C. Decrease blood pressure

Testosterone is produced in the

interstitial cells

Which of the following is not a function of seminal fluid?

A. to provide energy for sperm

B. to cause the growth of sperm

C. to provide a medium for movement of sperm cells

D. to transport prostaglandins that promote uterine contraction

B. to cause the growth of sperm

In order to prevent the degeneration of the corpus luteum, the concentration of which of the following hormones increases during implantation?

A. estrogen

B. luteinizing hormone (LH)

C. follicle-stimulating hormone (FSH)

D. human chorionic gonadotropin (HCG)

D. human chorionic gonadotrophin (HCG)