*NURSING > QUESTIONS & ANSWERS > The rest of Elsevier (GRADED A) questions and answers 2020-2021 (All)

The rest of Elsevier (GRADED A) questions and answers 2020-2021

Document Content and Description Below

Which is the primary functional unit of the nervous system? 1 Axon Correct2 Neuron 3 Dendrite 4 Myelin sheath Neurons are the primary functional unit of the nervous system. The myelin sheath ... is a white lipid protein substance that acts as an insulator for the conduction of impulses. Axons carry nerve impulses to other neurons or to end organs such as smooth and striated muscles and glands. Dendrites are short processes extending from the cell body that receive impulses or signals from other neurons and conduct them toward the cell body. 91%of students nationwide answered this question correctly. View Topics 3. 4782836174 Confidence: Pretty sure Stats Issue with this question? 3. A patient is admitted to the hospital with suspected lesions in Broca's area. What manifestation is the nurse likely to find during assessment? 1 Visual defects 2 Difficulty in swallowing Correct3 Irregular speech patterns 4 Decreased sense of smell Broca's area, located at the frontal lobe of the cerebrum, regulates verbal expression. Lesions in Broca's area affect speech production. Visual defects are common if the lesion is in the occipital lobe. Damage to the olfactory bulb may affect the sense of smell. Brainstem injuries may cause difficulty in swallowing. 89%of students nationwide answered this question correctly. View Topics 4. 4782836182 Confidence: Pretty sure Stats Issue with this question? 4. To test the function of the optic nerve (CN II), the nurse often uses a Snellen chart. If a Snellen chart is not available, what can the nurse use for this assessment? 1 Penlight 2 Amsler grid 3 Ophthalmoscope Correct4 Magazine or newspaper To test the function of the optic nerve (CN II), the nurse tests the visual acuity. If a Snellen chart is not available, asking the patient to read from a magazine or newspaper will give a gross assessment of acuity. The Amsler grid is used to detect macular degeneration. The ophthalmoscope is an instrument that is used for inspection of vessels and structures within the eye. STUDY TIP: Laughter is a great stress reliever. Watching a short program that makes you laugh, reading something funny, or sharing humor with friends helps decrease stress [Show More]

Last updated: 2 years ago

Preview 1 out of 335 pages

Buy Now

Instant download

We Accept: