Question 41: A patient is diagnosed with hypothyroidism. Which of the following electrocardiogram (ECG) changes should the clinician expect as a manifestation of the disease?

a. Sinus bradycardia

b. Atrial fibrillation

c. Supraventricular tachycardia
d. U waves

Question 42: Sam is a 25-year-old man who has been diagnosed with low back strain based on his history of localized low back pain and muscle spasm along with a normal neurological examination. As the clinician, you explain to Sam that low back pain is a diagnosis of exclusion. Which of the following symptoms would alert the clinician to the more serious finding of a herniated nucleus pulposus or ruptured disc?
a. Morning stiffness and limited mobility of the lumbar spine
b. Unilateral radicular pain symptoms that extend below the knee and are equal to or greater than the back pain
c. Fever, chills, and elevated erythrocyte sedimentation rate
d. Pathologic fractures, severe night pain, weight loss, and fatigue

Question 43: Which type of burn injury results in destruction of epidermis with most of the dermis, yet the epidermal cells lining hair follicles and sweat glands remain intact?
a. Superficial burns
b. Superficial partial-thickness burns
c. Deep partial-thickness burns
d. Full-thickness burns