What is the correct definition of the word fitness?

a.
the ability to move joints fully and easily.

b.
the ability to handle the physical work and play of everyday life without becoming tired.

c.
the ability to perform vigorous physical activity without getting overly tired.

d.
rhythmic, nonstop, moderate-to-vigorous activity that requires large amounts of oxygen and works the heart.

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.

An 80-year-old woman comes to the urgent care clinic with dyspnoea on exertion. on physical examination, her blood pressure is 100/70, and her pulse is 75. she has no pulsus paradoxus. her jugular veins are distended, and she has distant heart sounds. in addition, she has extra third and fourth heart sounds. her liver is enlarged, and she has pedal oedema. she has occasional premature ventricular contractions on her electrocardiogram. a chest x-ray reveals clear lung fields with a dilated cardiac silhouette. her echocardiogram reveals ventricular walls with a "speckled pattern". which of the following is the most likely diagnosis? - alcoholic cardiomyopathy- amyloidosis- haemochromatosis- tuberculosis- viral myocarditis