Physiology - Medical MCQ

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5986 Physiology

Various solutes are reabsorbed in the proximal tubule during tubular reabsorption. Which of the following ion is exchanged for H+ in proximal convoluted tubule?

AK+

BNa+

CHC03

DCI-

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5987 Physiology

Glucose is co-transpoed with Na+ ions. This is a type of

ASecondary active transpo

BPrimary active transpo

CFacilitated diffusion

DSimple diffusion

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5988 Physiology

A 50-year-old woman undergoes a neurologic exam that indicates loss of pain and temperature sensitivity, vibratory sense, and proprioception in the left side of the body. These symptoms could be explained by:

AA tumour on the right medial lemniscal pathway in spinal cord

BA tumour on the left medial lemniscal pathway in spinal cord

CA tumour affecting the right postcentral gyrus

DA large tumour in the right ventrolateral spinal cord

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5989 Physiology

Bilateral cutting of vagus nerve causes ?

ADecrease hea rate

BDecrease respiratory rate

CIncrease hea rate

DDecreased BP

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5990 Physiology

All of the following are renal vasoconstriction except

AAngiotensin II

BCarbon monoxide

CNorepinephrine

DEndothelin

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5991 Physiology

A lesion of ventrolateral pa of spinal cord will lead to loss (below the level of lesion) of:

APain sensation on the ipsilateral side

BProprioception on the contralateral side

CPain sensation on the contralateral side

DPropriception on the ipsilateral side

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5992 Physiology

A 24-year-old man came to the emergency depament with a broken leg. A blood test revealed his WBC count to be 22 x 103/ml. Five hours later, a second blood test revealed values of 7 x 103/ml. What is the cause of the increased WBC count in the first test?

AIncreased production of WBCs by the bone marrow

BRelease of pre-formed, mature WBCs into the circulation

CDecreased destruction of WBCs

DIncreased production of selectins

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5993 Physiology

Sodium-potassium pump is a type of –

APassive transport

BPrimary active transport

CSecondary active transport

DCounter transport

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5994 Physiology

Osteoclasts are inhibited by:

AParathyroid hormone

BCalcitonin

C1,25-dihydroxycholecalciferol

DTumor necrosis factor

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Physiology MCQ Questions — Page 666