21- Which is a hormone that reduces blood volume and pressure and increases urin

Question

21- Which is a hormone that reduces blood volume and pressure and increases urine volume?

Select one:

a. atrial natriuretic hormone

b. aldosterone

c. renin

d. erythropoietin

22- Which of the following is a chemical signal that diffuses across the gap between adjacent neurons to convey a message to the next cell?

Select one:

a. synapse

b. dendrite

c. action potential

d. neurotransmitter

23- Acetylcholine is a neurotransmitter released at every neuromuscular junction (the junction of a motor neuron and a skeletal muscle cell), where it triggers contraction of voluntary (skeletal) muscles.

Select one:

True

False

24- Which pathogen would most likely be responsible for a urinary tract infection caused by improper wiping after defecation?

Select one:

a. Salmonella

b. Escherichia coli

c. Chlamydia

d. Mycoplasma

25- Which of the following does not normally move to any great extent from the blood into the filtrate at the renal corpuscle?

Select one:

a. urea

b. hydrogen ions

c. plasma proteins

d. water

26- The organ(s) of the respiratory system that contain alveoli are ________.

Select one:

a. lungs

b. bronchi

c. the glottis

d. bronchioles

27- Nephrons are the functional units of the kidneys and are responsible for the formation of urine.

Select one:

True

False

28- Which of these diseases involves the destruction of the myelin sheath on certain neurons within the brain and spinal cord?

Select one:

a. Alzheimer's disease

b. multiple sclerosis

c. Parkinson's disease

d. depression

29- Food traveling through the pharynx would next go to the stomach.

Select one:

True

False

30- Which neurotransmitter appears to be associated with an energizing "good" feeling and is essential in hunger, thirst, and sex drive?

Select one:

a. dopamine

b. synapse

c. norepinephrine

d. serotonin

31- The specialized membrane proteins that actively transport sodium and potassium ions across the plasma membrane are known as the ________.

Select one:

a. sodium-manganese pump

b. sodium pump

c. sodium-chloride pump

d. sodium-potassium pump

Explanation / Answer

Answere :

Question 21 : The correct option is (a) i.e. atrial natriuretic hormone which reduces blood volume and blood pressure and increase utine volume.

Question 22 : The correct option is (d) i.e. neurotransmitter is a chemical signal that diffuses across the gap between the adjacent neuron to convey a message to next cell.

Question 23 : The statement is true.

Question 24 : The option (b) is correct i.e. E. coli is a pathogen which most likely be responsible for a urinary tract infection caused by improper wiping after defecation.

Question 25 : The option (c) is correct i.e. plasma proteins does not move to any great extent from the blood into the filterate of renal corpuscles.

Question 26 : The option (a) is correct i.e. lung is the respiratory organ of respiratory system that contain alveoli.

Question 27 : The statement is true.

Question 28 : The option (b) is correct i.e. multiple sclerosis is the disease involved in the the destruction of myelin sheath or certain neuron within brain and spinal cord.

Question 29 : The statement is false i.e. The food in pharynx moves to oesophagus not to stomach.

Question 30 : The option (c) is correct i.e.norepinephrine is a neurotransmitter appear to be associated with an energizing "good" feeling and essential in hunger, thrust and sex drive.

Question 31 : The option (d) is correct i.e. Sodium-potassium pump is a specialised membrane proteins that actively transport sodium and potassium ions across the plasma membrane.

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