Homework Help for Biology (page 2677)

447,947 Results
Ask your question
Ask your question

After assiting your asthmatic patient with administration of his beta 2 specific meds. You may expect to observe which of the following side effects?


Fainting or dizziness

Respiratory depression


What is the best method for determing the adequacy of artificial ventilations?

Chest rise with each ventilation

Increase in the patients pulse rate

Diminished cyanosis around the mouth

Return of a gag reflex

A thin 54 year old male with a non prodctive cough complains of difficulty breathing. He is sitting upright with his hands on his knees, and you see retractions. You notice oxygen tubing throughout the house. You should suspect a medical history of

Chronic brochitis




During initial assessment of an adult’s respiratory status, you should

Evaluate both the respiratory rate and the rise and chest fall of the chest

Obtain a full set of vitals

Examine for cyanosis in the nail beds and around the lips

Feel the carotid pulse to determine both the respiratory rate and quality

During an interfacility transport of a symptomatic COPD patient with mild shortness of breath. How much oxygen should you administer

Non-rebreather mask at 15 lpm

Bag-valve mask at 15lpm

Nasal cannula at 6 lpm

Nasal canula at 2 lmp

The reason for assessing the radial and the carotid pulses simultaneously is to

Confirm adequate blood pressure

Assess central circulation

Confirm cardiac rhythm problem

Asses peripheral circulation

A patient is unresponsive with snoring respirations following a motorcycle accident. You notice blood coming from the patients nose and ears. You should

Open the airway with the head-tilt-chin lift

Open the airway with a jaw thrust

Insert a nasal airway

Ventilate with a bag valve mask

A 13 yr old female watching a horror movie states she can’t catch her breath and her fingers are numb. Respirations are 30 and deep, with an SpO2 of 100% . she is speaking in complete sentences, has clear and equal breath sounds. You should

Have the patient breathe into a paper bag and transport immediately

Calmly reassure her, encouraging her to slow her rate of breathing

Administer the metered dose inhaler carried by her aunt

Place a disconnected non-rebreather mask on the patients face

Which of the following conditions is most likely to cause decrease compliance with ventilation via bag-valve-mask

Flail chest

Pulmonary contusion

Tension pneumothorax

Spontaneous pneumothorax

. You are interested in continuing the work of Dr Mendes. What is one additional question that you might logically ask about this issue? Justify the question that you propose by logically describing why this is an important question to ask. Design and describe how to run an experiment to test the question you proposed. Be very specific. Make sure that the design is feasible (no growing plants on Jupiter). Include the following: · Independent and dependent variables · Control variables · Equipment and supplies needed · Outline the basic protocol to follow. · Describe WHY and HOW you will manipulate variables

here is the full question:

Do soil microorganisms protect against crop disease?

The rhizosphere, the soil layer surrounding plant roots, is a complex community in which archaea, bacteria, fungi, and plants interact with one another. After plants are attacked by fungal or bacterial pathogens, soil from the rhizosphere may protect plants from future attacks. Such protective soil is called disease-suppressive.

Researchers investigated whether microorganisms were responsible for the protective effects of disease-suppressive soils. Disease-suppressive soil was obtained from an agricultural field in the Netherlands in which sugar beet crops had previously been attacked by a fungal pathogen, Rhizoctonia solani. Other soil was collected from the margin of the field. The researchers predicted that soil from the margin would not offer protection against pathogens.

The researchers then planted and raised sugar beets in greenhouses, using 5 different soil treatments. Each soil treatment was applied to 4 pots, and each pot contained 8 plants. The pots were inoculated with Rhizoctonia solani and placed in greenhouses kept at 20°C with a 16-hour light: 8-hour dark cycle. After 20 days, researchers determined the percentage of infected sugar beet seedlings for each soil treatment. The results of the experiment are shown in the table.

Soil Treatment

Percentage of Seedlings

with Fungal Disease

Disease-suppressive soil


Soil from margin of field


Soil from margin of field

+10% disease-suppressive soil


Disease-suppressive soil heated

to 50∘C for 1 hour


Disease-suppressive soil heated

to 80∘C for 1 hour


(Data from R. Mendes, et al. Deciphering the rhizosphere for disease-suppressive bacteria, Science 332: 1097-1100 (2011)).

Homework Help 30,000,000
Biology 4,400,000