Questions And Answers | 2024 Updated Solutions | 100% Correct Answers

BIO 669 Exam 2 Questions And Answers | 2024 Updated Solutions | 100% Correct Answers .A 12 year old boy presenting with complaints of fever, pink macular rash on the trunk and finding of diastolic murmur on the exam should be investigated for possible: a. Restrictive cardiomyopathy b. Dilated(congestive) cardiomyopathy c. Rheumatic fever d. Tuberculosis - ANSWER-c. Rheumatic fever .A clinical feature of addison disease is: a. Truncal (abdominal) obesity b. Muscle wasting and thin extremities c. Cardiac hypertrophy and hypertension d. Hyperpigmentation - ANSWER-d. Hyperpigmentation .A common and overlooked cause of chronic orthostatic hypertension is: A. Abdominal aneurysm B. Cerebral aneurysm in the Circle of Willis C. Increased peripheral resistance caused by peripheral vascular disease D. Autonomic neuropathy in persons with diabetes. - ANSWER-D. Autonomic neuropathy in persons with diabetes .A hormone not involved in sugar metabolism is: a. Insulin b. Glucagon c. Aldosterone d. Cortisol - ANSWER-c. Aldosterone .A hypodermic injection of epinephrine would a. Increase heart rate, increase blood pressure, dilate the bronchi and increase peristalsis b. Decrease heart rate, increase blood pressure, constrict the bronchi and increase peristalsis c. Increase heart rate, increase blood pressure, dilate the bronchi and decrease peristalsis d. Decrease heart rate, decrease blood pressure, constrict the bronchi and increase peristalsis - ANSWER-c. Increase heart rate, increase blood pressure, dilate the bronchi and decrease peristalsis .A mitral valve prolapse would be heard during: a. Ventricular systole b. Atrial systole c. Isovolumetric relaxation phase d. Ventricular diastole - ANSWER-a. Ventricular Systole .A patient presents with fever, diffuse microemboli presenting as petechial lesions, painful lesions on the fingertips and what looks like non-tender bruising on both hands is most indicative of which disease process? a. Infective endocarditis b. Rheumatic fever c. HIV infection d. Tuberculosis - ANSWER-d. Infective endocarditis .A possible symptom of an expanding pituitary tumor not related to hormones includes: a. Visual disturbances b. Muscle weakness c. Respiratory depression d. Hearing disturbances - ANSWER-a. Visual disturbances .A result of the action potential's long duration in stimulating muscle is that: A. Summation cannot occur regardless of how strong the stimulus B. Cardiac muscle cannot go into tetanus and lock up in contracted position C. Cardiac muscle has a long refractory period D. All of the above are true. - ANSWER-D. All of the above are true .A T wave relates to ______ and shortly precedes the closure of the _____ valves. A. Ventricular depolarization, AV