S** chromosomes can be evaluated by:

a. maternal blood analysis

b. amniocentesis

c. a buccal smear

d. ultrasonography

Mr. Swanson is a 72-year-old patient with alcoholism. He is seeing Dr. Pugh at the Clearview Wellness Clinic because he is experiencing nausea, indigestion, and weakness. When the medical assistant records Mr. Swanson's weight, she notices that he has lost 25 pounds since his last visit with Dr. Pugh. The patient also tells the medical assistant that he vomited blood yesterday. Based on Mr. Swanson's symptoms and personal history, you would suspect ______ to be the physician's diagnosis.

A. hepatitis A

B. cirrhosis

C. HIV

D. jaundice

Is a hormone that can be given to individuals with hypothyroidism.

A. Thyroxine

B. Estrogen

C. Insulin

D. Cortisol

#2 The transmission of __________ is often difficult to control because infected individuals can be asymptomatic.

A. gonorrhea

B. syphilis

C. chlamydia

D. genital warts