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Dhsc 109: Human Physiology 11 Question Paper
Dhsc 109: Human Physiology 11
Course:Clinical Medicine, Surgery & Community Health
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 2''ND ''TRIMESTER 2012(DAY) EXAMINATIONS
SCHOOL : MEDICINE & HEALTH SCIENCES
DEPARTMENT : CLINICAL MEDICINE, SURGERY & COMMUNITY
HEALTH
UNIT CODE : HUMAN PHYSIOLOGY 11
UNIT TITLE : DHSC 109
TIME : 3HOURS
INSTRUCTIONS:
Section A has multiple choice questions answer T for true and F for false. A wrong answer results in subtraction of one mark.
Section B & C have short and long essay questions respectively, answer all questions
Write your registration No.
SECTION A
QUESTION ONE
The following is true about skin glands
A. Ceruminous glands are found in the ear.
B. Eccrine glands produce wax on the ear.
C. Eccrine glands produce odorous secretion.
D. Sebaceous glands are found in the palms mostly
E. Apocrine sweat glands eliminate waste from the body, more than
eccrine glands
QUESTION TWO
Main eleotrolytes in the intracellular fluid
A. Na+
B. Mg++
C. Cl-
D. H2Co2-
E. K+3
QUESTION THREE
Hradient mechanism of tubular absorption at the nephron is employed by.
A. Glucose
B. Ca++
C. PO43-
D. Na+
E. Cl-
QUESTION FOUR
Antidiuretic hormone is;
A. Increase Na+ absorption.
B. Produced by hypothalamus
C. Produced by the posterior pitintary
D. Acts at the loop of henle.
E. Increases interstitial absorption of water.
QUESTION FIVE
Hormonal support during pregnancy.
A. placenta secrets most hormones towards term.
B. ovaries play a minor role towards term.
C. the fetal adrenal context is involved in hormone synthesis.
D. Corpus luteum maintains the pregnancy at the early stages
E. All the above.
QUESTION SIX
Growth of mammary gland
A. is stimulated by progesterone only.
B. production is only involved in milk synthesis
C. cortisol plays no role.
D. During pregnancy estrogen promotes secretion of prolactin
E. Oxytocin is mainly noted at lactation
QUESTION SEVEN
Follicular phase of the menstrual cycle
A. LH is the main pitritary hormone.
B. Rising estrogen stimulates growth of epithelia
C. Follows menses
D. Includes ovulation
E. Involves growth of epithelia glands of uterus.
QUESTION EIGHT
Sertoli cells functions include
A. Nourish spermatogenic cells
B. Transport spermatogenic cells
C. Phagocytize excess cytoplasm.
D. Secrete testosterone.
E. Secret androgen binding protein.
QUESTION NINE
About buffers
A. Protein buffers are the main extracellular buffer
B. Co2 H Co3 buffer is a closed buffer system.
C. Phosphate buffer is an open buffer system
D. Co2/H Co3 buffer is important in the intracellular fluid PH control.
E. None of the above.
QUESTION TEN
About penile erection
A. Refers to movement of sperms within the epididymis.
B. is a sympathetic nervous system response.
C. is a parasympathetic nervous system response.
D. is a voluntary response.
E. Can occur in fetal life.
QUESTION ELEVEN
Antevolateral pathway in the spinal card transmits the following sensations
A. Pressure
B. Cold
C. Taste
D. Fine touch
E. Pain
QUESTION TWELVE
Stimulation of paraysmpathetic nervous system results in
A. Bradycardia
B. Hypotension
C. Reduced peristalysis
D. Bronchiodilatation
E. Shivering.
QUESTION THIRTEEN
Aldosterone is
A. Produced by juxtaglomerular cells
B. Causes K+ loss by kidneys
C. involved mainly in PH regulation
D. a buffer
E. is a mineral corticoid.
QUESTION FOURTEEN
Glonerular filtration rate increases if
A. Efferent artery is dilated
B. Afferent artery is constricted
C. Plasma oncotic pressure is reduced.
D. Hydrostatic pressure in bowmar`s capsule is increased.
E. Glomenular capillary hydrostatic pressure is increased.
QUESTION FIFTEEN
Action potential is conductial faster
A. Smaller diameter nerves
B. Unmyelinational nerves
C. Myelinated nerves
D. Larger diametic nerves
E. In muscles than nerves
QUESTION SIXTEEN
Excitatory amino acid neurotransmitters include
A. GABA
B. Glycine
C. Nitric oxide
D. Glutamate
E. Aspartate
QUESTION SEVENTEEN
Hyperpolarization of the elective membrane potential occur in case of
A. Increased K+ conductance
B. Decreased influx of Cl-
C. Decreased conduction of Na+
D. Increased influx of Cl-
E. Influx of Ca++
QUESTION EIGHTEEN
Principle cells of the epidermis.
A. Keratinocytes
B. Melanocytes
C. Islets of langerhans
D. Hair follide cells.
E. Goblet cells
QUESTION NINETEEN
Centers in the medulla oblongata, include
A. Respiratory center
B. Vomiting center
C. Micturation center
D. Heart activity center
E. Swallowing center
QUESTION TWENTY
About the cerebellum.
A. Flocculonodular lobe is responsible for body balance.
B. The lateral zone plans sequential movements
C. The lateral zone co-ordinates antagonist and agonist groups of muscles.
D. Has a homunculus representation of body parts
E. The lateral zone refers to the vermis and the pons.
SECTION B (SHORT ANSWER QUESTIONS)
QUESTION ONE
State the functions of the hypotnalamus (5marks)
QUESTION TWO
With a tabular illustration, outline the differences between white and red
muscle. (8marks)
QUESTION THREE
State the acid base disturbances. (4marks)
QUESTION FOUR
Describe parturition highlighting the hormonal changes. (6marks)
QUESTION FIVE
Write notes on taste sensation. (4marks)
QUESTION SIX
Describe the venin augiotensiu aldostirous system. (7marks)
QUESTION SEVEN
Explain how the skin contributes to vitamin D3 synthesis. (2marks)
QUESTION EIGHT
Describe micturation. (5marks)
SECTION C (LONG ESSAY QUESTIONS)
QUESTION ONE
Describe the age-related changes in hormones and change of male reproductive organs from fetal life to aging adult life. (20marks)
QUESTION TWO
Describe the neural pathway for a thorn prick of the sole of the foot to the cerebral cortex. (15marks)
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