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Advanced Human Physiology Ii Question Paper
Advanced Human Physiology Ii
Course:Bachelor Of Science In Nursing And Public Health
Institution: Kenyatta University question papers
Exam Year:2009
KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
SUPPLEMENTARY EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE (NURSING & PUBLIC HEALTH)
HNS 113: ADVANCED HUMAN PHYSIOLOGY II
DATE: Thursday 3rd December, 2009 TIME: 2.00 p.m. – 4.00 p.m.
INSTRUCTIONS
MULTIPLE CHOICE QUESTIONS – Mark the correct answer.
1.
Which of the following statements on ventilation is true?
(a)
At rest a normal person breaths 18 – 22 times per minute.
(b)
The normal tidal volume is about 800 mls of air
(c)
6 – 8 litres of air is inspired and expired per minute
(d)
About 200mls of O2 enter the body per minute
2.
Explain the reason why partial atmospheric pressure of O2 is 160mmHg while
pressure in the Alveoli is 149 mmHg
(a)
The diffusion of O2 to the capillary vessels is so fast that it hardly
equilibrates with atmospheric pressure.
(b)
There is negative pressure in the Alveoli that reduces the partial pressure
of O2
(c)
The Alveoli are warmer at a temperature of 37oC compared to atmospheric
temperature of about 25oC which affect the partial pressure of O2.
(d)
the Alveoli are humid and this reduces the Partial pressure of O2 by about
11mmHg.
3.
What kind of instrument is a pulse oxymeter?
(a)
It measures the O2 concentration of the Alveoli
Page 1 of 5
(b)
It measures the O2 concentration of the Peripheral Arteries.
(c)
It measures the O2 concentration of the Peripheral Veins.
(d)
It measures the O2 concentration of the Peripheral Capillaries.
4.
Which of the following chemical agents stimulate the carotid body receptors?
(a)
?CO2
(b) ?O2
(c) ?CO (d) Anemia
5.
During exercise all of the following ventilatory changes may, occur except?
(a)
Premonary Capillary blood may have further reduction in PO2
(b)
the blood flow rate increases beyond normal
(c)
The amount of O2 uptake is almost always proportionate to the work load.
(d)
At maximum capacity more CO2 is removed from the blood than O2
entering it.
6.
Following some exhaustive physical exercise the O2 dissociation curve in an
individual would be shifted to?
(a)
To the Right
(b)
To the Left
(c)
Both A & B
(d)
None of the above.
7.
Which of the following cells found in the lungs are responsible for gaseous
exchange?
(a)
Pulmonary
Alveolar
Macrophages
(PAM)
(b)
Type II Pneumocytes
(c)
Type I pneumocytes
(d)
Amine precursor uptake and decarboxylase (APUD) cells.
8.
The Principal function of a functional unit of the kidney, the naphron is?
(a)
Filtration of plama fluid
(b)
Detoxification of the body through elimination of urea and creatinine.
(c)
Elimination
of
Acid
(d)
Elimination
of
Sodium.
9.
Which of the following hormones play a direct role in the retention of socium in
the kidneys?
(a)
Antiduratic
hormone
(ADH)
(b)
Renin
(c)
Adrenalin
(d)
Aldosterone
Page 2 of 5
10.
Which of the following statements is true about the renal handling of glucose?
(a) In
non-diabetic
individuals all the glucose is reabsorbed in the proximal
convoluted tubule.
(b)
Primary active transport is involved in the elimination of glucose.
(c)
the amount of glucose re-absorbed depends on the amount consumed and
at least some unger is lost in the urine.
(d)
Glucose is needed for re-absorption of sodium in the renal tubules
11.
Which of the following statements on the loop of hence is true?
(a)
Dilution of tubular fluid takes place in this part of the nephron
(b)
Concentration of tubular fluid takes place in this part of the nephron.
(c)
All of the above
(d)
None of the above
12.
Which of the following statements is true about fetal respiration>
(a)
Fetal haemoglobin binds 2, 3 DPG with higher affinity than adult
hemoglobin
(b)
Umbilical vein blood at 80% saturation is less saturated than Adult tissue
venous blood.
(c)
Fetal tissues have a higher resistance to Hypoxia
(d)
None of the above.
13.
Which of the following statements about erythropoietin is not true?
(a)
It is produced in the kidney
(b)
It is responsible for the production of Red blood cells in the bone marrow.
(c)
It is used by athletes to enhance performance
(d)
Not of the above.
14.
In the simple motor reflex, the muscle that antagonize the action of the involved
muscle i.e. Relax to allow for the contraction of the Protagonist muscle.
This phenomenon is due to?
(a)
Inverse
stretch
reflex
(b)
Reciprocal
innervation
(c)
Autogenic inhibition
(d)
None of the above
15.
The principal hormone in calcium metabolism include all these except.
(a)
Calcitonin
(b)
Vitamin
D3
Page 3 of 5
(c)
Gastrin
(d)
Parathormone
16.
Which of the following hormones is responsible for increased Production of
Thyroxine?
(a)
TSH
(b)
PTH
(c)
ACTH
(d)
FSH
17.
The production of cortisol from the Adreneal cortex is regulated by which of the
following mechanisms?
(a)
Feed forward
(b)
Positive feed back
(c)
Negative feed back (d)
None of the above
18.
Regarding changes in the body conditions, which of the following statements is
true:
(a)
Hypothermis is a condition where body temperature is lowered to near
freezing point.
(b)
Fever refers to temperatures that are above normal 37oC and is commonly
related to infection.
(c)
In malignant hyperthermia Rectal temperature reach 50oC.
(d)
None of the above.
19.
The following are function of the bladder except:
(a)
It acts as a reservoir so that the act of urination occurs once after a period
of time.
(b)
It has a splincter which allows for Retention of urine until the Appropriate
time.
(c)
The act of passing urine is controlled by the antoronsc Nervous system
mechanism.
(d)
It plays a principal role in the concentration of urine.
20.
The Adrenal cortex produces each of the following hormones except:
(a)
Aldosterone
(b)
Testooterone
(c)
Adrenalin
(d)
Cortisone
surfactant play in ventilation?
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