Target Health Blog

Test Your Knowledge of COVID-19

May 11, 2020


A macrophage stretching its "arms" to engulf two particles, possibly pathogens. Macrophages are a type of white blood cell of the immune system that engulf and digest cellular debris, foreign substances, microbes, cancer cells, and anything else that does not have the type of proteins specific to healthy body cells on its surface in a process called phagocytosis.
Graphic credit: by The original uploader was Obli at English Q52. - Transferred from en.wikipedia to Commons., CC BY-SA 2.0,

The first part of COVID-19 is viral illness, when the human body is developing immune inflammatory responses, trying to fight off infection. When the immune system gets over stimulated, which is what causes the acute worsening, it is often referred to as a, 1) ___ ___. While every patient is different, days 5 through 10 of the illness are often the most worrisome time for respiratory complications of COVID-19, particularly for older patients and those with underlying conditions like high blood pressure, obesity or diabetes. Younger patients who develop complications may begin struggling a little later, as late as days 10 to 12. Most people who reach day 14 without any worrying symptoms (other than feeling miserable and fatigued) are likely to be on the road to 2) ___recovery. Respiratory symptoms of COVID-19 sometimes worsen on days five to 10 of the illness. An easy way to help monitor respiratory health at home is to use a device called a: 3) ___ ___.

Getting outdoors in the sunshine can boost body levels of, 4) ___vitamin, which has been tied to a stronger immune system. If being outside is problematic, supplements of this vitamin should be considered by conferring with a personal physician.

A pulse oximeter measures heart rate and, blood 5) ___ levels and the highly publicized antiviral drug, 6) ___, appears to speed recovery in patients hospitalized with coronavirus infection.

Intense bursts of exercise, only a few seconds long, were shown to lower blood levels of these blood fats, called 7) ___ , high levels of which are linked to heart disease and diabetes. Oxygen levels may drop so slowly that the patient does not even notice, a condition called, silent 8) ___. Often it is not until oxygen saturation reaches dangerously low levels, causing severe shortness of breath, that they finally seek care. A pulse oximeter is probably most accurate when tested on the, 9) ___ finger of the dominant hand. You can increase the flow of oxygen to your lungs by resting on your, 10) ___, in the prone position, which can open parts of the lungs that are compressed when lying on your back. You can also change to resting on your left side or right side, or sit upright in a chair.

ANSWERS: 1) Cytokine storm; 2) recovery; 3) pulse oximeter; 4) vitamin D; 5) oxygen; 6) remdesivir; 7) triglycerides; 8) hypoxia; 9) middle; 10) stomach

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